3.34 baggage fees. an airline charges the following baggage fees: $25 for the first bag and $35 for the second. suppose 54% of passengers have no checked luggage, 34% have one piece of checked luggage and 12% have two pieces. we suppose a negligible portion of people check more than two bags. (a) build a probability model, compute the average revenue per passenger, and compute the corresponding standard deviation. (b) about how much revenue should the airline expect for a flight of 120 passengers? with what standard deviation? note any assumptions you make and if you think they are justified.

The year is 2278, and the starship enterprise is running low on dilithium crystals, which are used to regulate the matter-antimatter reactions that propel the ship across the universe. without the crystals, space-time travel is not possible. if there is only one known source of dilithium crystals, the necessary conditions for a monopoly are met. part 2 (1 point)see hint if the crystals are government owned or government regulated, and the government wants to create the greatest welfare for society, then it should set the price choose one or more: a. so only the rich can afford space-time travel. b. at the profit-maximizing price. c. at the efficient price. d. using the marginal-cost pricing rule. e. so everyone can afford space-time travel. f. at the monopoly price.

Mr. pines is considering buying a house and renting it to students. the yearly operating costs are $1,900. the house can be sold for $175,000 at the end of 10 years and it is considered 18% to be a suitable annual effective interest rate. if the house costs $100,000 to purchase, how much would you need to charge your tenants each year in rent? (assume a single payment for the years rent at the end of each year)

If china enforces the software procurement regulation, the most likely result is